openstacksdk/openstack/block_storage/v2/_proxy.py

923 lines
36 KiB
Python

# Licensed under the Apache License, Version 2.0 (the "License"); you may
# not use this file except in compliance with the License. You may obtain
# a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
# License for the specific language governing permissions and limitations
# under the License.
from openstack.block_storage import _base_proxy
from openstack.block_storage.v2 import backup as _backup
from openstack.block_storage.v2 import capabilities as _capabilities
from openstack.block_storage.v2 import extension as _extension
from openstack.block_storage.v2 import limits as _limits
from openstack.block_storage.v2 import quota_set as _quota_set
from openstack.block_storage.v2 import snapshot as _snapshot
from openstack.block_storage.v2 import stats as _stats
from openstack.block_storage.v2 import type as _type
from openstack.block_storage.v2 import volume as _volume
from openstack.identity.v3 import project as _project
from openstack import resource
class Proxy(_base_proxy.BaseBlockStorageProxy):
# ====== SNAPSHOTS ======
def get_snapshot(self, snapshot):
"""Get a single snapshot
:param snapshot: The value can be the ID of a snapshot or a
:class:`~openstack.block_storage.v2.snapshot.Snapshot`
instance.
:returns: One :class:`~openstack.block_storage.v2.snapshot.Snapshot`
:raises: :class:`~openstack.exceptions.ResourceNotFound`
when no resource can be found.
"""
return self._get(_snapshot.Snapshot, snapshot)
def find_snapshot(
self,
name_or_id,
ignore_missing=True,
*,
details=True,
all_projects=False,
):
"""Find a single snapshot
:param snapshot: The name or ID a snapshot
:param bool ignore_missing: When set to ``False``
:class:`~openstack.exceptions.ResourceNotFound` will be raised
when the snapshot does not exist. When set to ``True``, None will
be returned when attempting to find a nonexistent resource.
:param bool details: When set to ``False``, an
:class:`~openstack.block_storage.v2.snapshot.Snapshot` object will
be returned. The default, ``True``, will cause an
:class:`~openstack.block_storage.v2.snapshot.SnapshotDetail` object
to be returned.
:param bool all_projects: When set to ``True``, search for snapshot by
name across all projects. Note that this will likely result in
a higher chance of duplicates. Admin-only by default.
:returns: One :class:`~openstack.block_storage.v2.snapshot.Snapshot`,
one :class:`~openstack.block_storage.v2.snapshot.SnapshotDetail`
object, or None.
:raises: :class:`~openstack.exceptions.ResourceNotFound`
when no resource can be found.
:raises: :class:`~openstack.exceptions.DuplicateResource` when multiple
resources are found.
"""
query = {}
if all_projects:
query['all_projects'] = True
list_base_path = '/snapshots/detail' if details else None
return self._find(
_snapshot.Snapshot,
name_or_id,
ignore_missing=ignore_missing,
list_base_path=list_base_path,
**query,
)
def snapshots(self, *, details=True, all_projects=False, **query):
"""Retrieve a generator of snapshots
:param bool details: When set to ``False``
:class:`~openstack.block_storage.v2.snapshot.Snapshot`
objects will be returned. The default, ``True``, will cause
:class:`~openstack.block_storage.v2.snapshot.SnapshotDetail`
objects to be returned.
:param bool all_projects: When set to ``True``, list snapshots from all
projects. Admin-only by default.
:param kwargs query: Optional query parameters to be sent to limit
the snapshots being returned. Available parameters include:
* name: Name of the snapshot as a string.
* volume_id: volume id of a snapshot.
* status: Value of the status of the snapshot so that you can
filter on "available" for example.
:returns: A generator of snapshot objects.
"""
if all_projects:
query['all_projects'] = True
base_path = '/snapshots/detail' if details else None
return self._list(_snapshot.Snapshot, base_path=base_path, **query)
def create_snapshot(self, **attrs):
"""Create a new snapshot from attributes
:param dict attrs: Keyword arguments which will be used to create
a :class:`~openstack.block_storage.v2.snapshot.Snapshot`,
comprised of the properties on the Snapshot class.
:returns: The results of snapshot creation
:rtype: :class:`~openstack.block_storage.v2.snapshot.Snapshot`
"""
return self._create(_snapshot.Snapshot, **attrs)
def delete_snapshot(self, snapshot, ignore_missing=True):
"""Delete a snapshot
:param snapshot: The value can be either the ID of a snapshot or a
:class:`~openstack.block_storage.v2.snapshot.Snapshot`
instance.
:param bool ignore_missing: When set to ``False``
:class:`~openstack.exceptions.ResourceNotFound` will be
raised when the snapshot does not exist.
When set to ``True``, no exception will be set when
attempting to delete a nonexistent snapshot.
:returns: ``None``
"""
self._delete(
_snapshot.Snapshot, snapshot, ignore_missing=ignore_missing
)
# ====== SNAPSHOT ACTIONS ======
def reset_snapshot(self, snapshot, status):
"""Reset status of the snapshot
:param snapshot: The value can be either the ID of a backup or a
:class:`~openstack.block_storage.v2.snapshot.Snapshot` instance.
:param str status: New snapshot status
:returns: None
"""
snapshot = self._get_resource(_snapshot.Snapshot, snapshot)
snapshot.reset(self, status)
# ====== TYPES ======
def get_type(self, type):
"""Get a single type
:param type: The value can be the ID of a type or a
:class:`~openstack.block_storage.v2.type.Type` instance.
:returns: One :class:`~openstack.block_storage.v2.type.Type`
:raises: :class:`~openstack.exceptions.ResourceNotFound`
when no resource can be found.
"""
return self._get(_type.Type, type)
def types(self, **query):
"""Retrieve a generator of volume types
:returns: A generator of volume type objects.
"""
return self._list(_type.Type, **query)
def create_type(self, **attrs):
"""Create a new type from attributes
:param dict attrs: Keyword arguments which will be used to create
a :class:`~openstack.block_storage.v2.type.Type`,
comprised of the properties on the Type class.
:returns: The results of type creation
:rtype: :class:`~openstack.block_storage.v2.type.Type`
"""
return self._create(_type.Type, **attrs)
def delete_type(self, type, ignore_missing=True):
"""Delete a type
:param type: The value can be either the ID of a type or a
:class:`~openstack.block_storage.v2.type.Type` instance.
:param bool ignore_missing: When set to ``False``
:class:`~openstack.exceptions.ResourceNotFound` will be
raised when the type does not exist.
When set to ``True``, no exception will be set when
attempting to delete a nonexistent type.
:returns: ``None``
"""
self._delete(_type.Type, type, ignore_missing=ignore_missing)
def get_type_access(self, type):
"""Lists project IDs that have access to private volume type.
:param type: The value can be either the ID of a type or a
:class:`~openstack.block_storage.v2.type.Type` instance.
:returns: List of dictionaries describing projects that have access to
the specified type
"""
res = self._get_resource(_type.Type, type)
return res.get_private_access(self)
def add_type_access(self, type, project_id):
"""Adds private volume type access to a project.
:param type: The value can be either the ID of a type or a
:class:`~openstack.block_storage.v2.type.Type` instance.
:param str project_id: The ID of the project. Volume Type access to
be added to this project ID.
:returns: ``None``
"""
res = self._get_resource(_type.Type, type)
return res.add_private_access(self, project_id)
def remove_type_access(self, type, project_id):
"""Remove private volume type access from a project.
:param type: The value can be either the ID of a type or a
:class:`~openstack.block_storage.v2.type.Type` instance.
:param str project_id: The ID of the project. Volume Type access to
be removed to this project ID.
:returns: ``None``
"""
res = self._get_resource(_type.Type, type)
return res.remove_private_access(self, project_id)
# ====== VOLUMES ======
def get_volume(self, volume):
"""Get a single volume
:param volume: The value can be the ID of a volume or a
:class:`~openstack.block_storage.v2.volume.Volume` instance.
:returns: One :class:`~openstack.block_storage.v2.volume.Volume`
:raises: :class:`~openstack.exceptions.ResourceNotFound`
when no resource can be found.
"""
return self._get(_volume.Volume, volume)
def find_volume(
self,
name_or_id,
ignore_missing=True,
*,
details=True,
all_projects=False,
):
"""Find a single volume
:param volume: The name or ID a volume
:param bool ignore_missing: When set to ``False``
:class:`~openstack.exceptions.ResourceNotFound` will be raised
when the volume does not exist.
:param bool details: When set to ``False`` no extended attributes
will be returned. The default, ``True``, will cause an object with
additional attributes to be returned.
:param bool all_projects: When set to ``True``, search for volume by
name across all projects. Note that this will likely result in
a higher chance of duplicates. Admin-only by default.
:returns: One :class:`~openstack.block_storage.v2.volume.Volume` or
None.
:raises: :class:`~openstack.exceptions.ResourceNotFound`
when no resource can be found.
:raises: :class:`~openstack.exceptions.DuplicateResource` when multiple
resources are found.
"""
query = {}
if all_projects:
query['all_projects'] = True
list_base_path = '/volumes/detail' if details else None
return self._find(
_volume.Volume,
name_or_id,
ignore_missing=ignore_missing,
list_base_path=list_base_path,
**query,
)
def volumes(self, *, details=True, all_projects=False, **query):
"""Retrieve a generator of volumes
:param bool details: When set to ``False`` no extended attributes
will be returned. The default, ``True``, will cause objects with
additional attributes to be returned.
:param bool all_projects: When set to ``True``, list volumes from all
projects. Admin-only by default.
:param kwargs query: Optional query parameters to be sent to limit
the volumes being returned. Available parameters include:
* name: Name of the volume as a string.
* status: Value of the status of the volume so that you can filter
on "available" for example.
:returns: A generator of volume objects.
"""
if all_projects:
query['all_projects'] = True
base_path = '/volumes/detail' if details else None
return self._list(_volume.Volume, base_path=base_path, **query)
def create_volume(self, **attrs):
"""Create a new volume from attributes
:param dict attrs: Keyword arguments which will be used to create
a :class:`~openstack.block_storage.v2.volume.Volume`,
comprised of the properties on the Volume class.
:returns: The results of volume creation
:rtype: :class:`~openstack.block_storage.v2.volume.Volume`
"""
return self._create(_volume.Volume, **attrs)
def delete_volume(self, volume, ignore_missing=True, force=False):
"""Delete a volume
:param volume: The value can be either the ID of a volume or a
:class:`~openstack.block_storage.v2.volume.Volume` instance.
:param bool ignore_missing: When set to ``False``
:class:`~openstack.exceptions.ResourceNotFound` will be raised
when the volume does not exist. When set to ``True``, no
exception will be set when attempting to delete a nonexistent
volume.
:param bool force: Whether to try forcing volume deletion.
:returns: ``None``
"""
if not force:
self._delete(_volume.Volume, volume, ignore_missing=ignore_missing)
else:
volume = self._get_resource(_volume.Volume, volume)
volume.force_delete(self)
# ====== VOLUME ACTIONS ======
def extend_volume(self, volume, size):
"""Extend a volume
:param volume: The value can be either the ID of a volume or a
:class:`~openstack.block_storage.v2.volume.Volume` instance.
:param size: New volume size
:returns: None
"""
volume = self._get_resource(_volume.Volume, volume)
volume.extend(self, size)
def retype_volume(self, volume, new_type, migration_policy="never"):
"""Retype the volume.
:param volume: The value can be either the ID of a volume or a
:class:`~openstack.block_storage.v2.volume.Volume` instance.
:param new_type: The new volume type that volume is changed with.
The value can be either the ID of the volume type or a
:class:`~openstack.block_storage.v2.type.Type` instance.
:param str migration_policy: Specify if the volume should be migrated
when it is re-typed. Possible values are on-demand or never.
Default: never.
:returns: None
"""
volume = self._get_resource(_volume.Volume, volume)
type_id = resource.Resource._get_id(new_type)
volume.retype(self, type_id, migration_policy)
def set_volume_bootable_status(self, volume, bootable):
"""Set bootable status of the volume.
:param volume: The value can be either the ID of a volume or a
:class:`~openstack.block_storage.v2.volume.Volume` instance.
:param bool bootable: Specifies whether the volume should be bootable
or not.
:returns: None
"""
volume = self._get_resource(_volume.Volume, volume)
volume.set_bootable_status(self, bootable)
def set_volume_image_metadata(self, volume, **metadata):
"""Update image metadata for a volume
:param volume: Either the ID of a volume or a
:class:`~openstack.block_storage.v2.volume.Volume`.
:param kwargs metadata: Key/value pairs to be updated in the volume's
image metadata. No other metadata is modified by this call.
:returns: None
"""
volume = self._get_resource(_volume.Volume, volume)
return volume.set_image_metadata(self, metadata=metadata)
def delete_volume_image_metadata(self, volume, keys=None):
"""Delete metadata for a volume
:param volume: Either the ID of a volume or a
:class:`~openstack.block_storage.v2.volume.Volume`.
:param list keys: The keys to delete. If left empty complete
metadata will be removed.
:returns: None
"""
volume = self._get_resource(_volume.Volume, volume)
if keys is not None:
for key in keys:
volume.delete_image_metadata_item(self, key)
else:
volume.delete_image_metadata(self)
def reset_volume_status(
self, volume, status=None, attach_status=None, migration_status=None
):
"""Reset volume statuses.
:param volume: The value can be either the ID of a volume or a
:class:`~openstack.block_storage.v2.volume.Volume` instance.
:param str status: The new volume status.
:param str attach_status: The new volume attach status.
:param str migration_status: The new volume migration status (admin
only).
:returns: None
"""
volume = self._get_resource(_volume.Volume, volume)
volume.reset_status(self, status, attach_status, migration_status)
def attach_volume(self, volume, mountpoint, instance=None, host_name=None):
"""Attaches a volume to a server.
:param volume: The value can be either the ID of a volume or a
:class:`~openstack.block_storage.v2.volume.Volume` instance.
:param str mountpoint: The attaching mount point.
:param str instance: The UUID of the attaching instance.
:param str host_name: The name of the attaching host.
:returns: None
"""
volume = self._get_resource(_volume.Volume, volume)
volume.attach(self, mountpoint, instance, host_name)
def detach_volume(self, volume, attachment, force=False, connector=None):
"""Detaches a volume from a server.
:param volume: The value can be either the ID of a volume or a
:class:`~openstack.block_storage.v2.volume.Volume` instance.
:param str attachment: The ID of the attachment.
:param bool force: Whether to force volume detach (Rolls back an
unsuccessful detach operation after you disconnect the volume.)
:param dict connector: The connector object.
:returns: None
"""
volume = self._get_resource(_volume.Volume, volume)
volume.detach(self, attachment, force, connector)
def unmanage_volume(self, volume):
"""Removes a volume from Block Storage management without removing the
back-end storage object that is associated with it.
:param volume: The value can be either the ID of a volume or a
:class:`~openstack.block_storage.v2.volume.Volume` instance.
:returns: None
"""
volume = self._get_resource(_volume.Volume, volume)
volume.unmanage(self)
def migrate_volume(
self, volume, host=None, force_host_copy=False, lock_volume=False
):
"""Migrates a volume to the specified host.
:param volume: The value can be either the ID of a volume or a
:class:`~openstack.block_storage.v2.volume.Volume` instance.
:param str host: The target host for the volume migration. Host
format is host@backend.
:param bool force_host_copy: If false (the default), rely on the volume
backend driver to perform the migration, which might be optimized.
If true, or the volume driver fails to migrate the volume itself,
a generic host-based migration is performed.
:param bool lock_volume: If true, migrating an available volume will
change its status to maintenance preventing other operations from
being performed on the volume such as attach, detach, retype, etc.
:returns: None
"""
volume = self._get_resource(_volume.Volume, volume)
volume.migrate(self, host, force_host_copy, lock_volume)
def complete_volume_migration(self, volume, new_volume, error=False):
"""Complete the migration of a volume.
:param volume: The value can be either the ID of a volume or a
:class:`~openstack.block_storage.v2.volume.Volume` instance.
:param str new_volume: The UUID of the new volume.
:param bool error: Used to indicate if an error has occured elsewhere
that requires clean up.
:returns: None
"""
volume = self._get_resource(_volume.Volume, volume)
volume.complete_migration(self, new_volume, error)
# ====== BACKEND POOLS ======
def backend_pools(self, **query):
"""Returns a generator of cinder Back-end storage pools
:param kwargs query: Optional query parameters to be sent to limit
the resources being returned.
:returns A generator of cinder Back-end storage pools objects
"""
return self._list(_stats.Pools, **query)
# ====== BACKUPS ======
def backups(self, details=True, **query):
"""Retrieve a generator of backups
:param bool details: When set to ``False`` no additional details will
be returned. The default, ``True``, will cause objects with
additional attributes to be returned.
:param dict query: Optional query parameters to be sent to limit the
resources being returned:
* offset: pagination marker
* limit: pagination limit
* sort_key: Sorts by an attribute. A valid value is
name, status, container_format, disk_format, size, id,
created_at, or updated_at. Default is created_at.
The API uses the natural sorting direction of the
sort_key attribute value.
* sort_dir: Sorts by one or more sets of attribute and sort
direction combinations. If you omit the sort direction
in a set, default is desc.
:returns: A generator of backup objects.
"""
base_path = '/backups/detail' if details else None
return self._list(_backup.Backup, base_path=base_path, **query)
def get_backup(self, backup):
"""Get a backup
:param backup: The value can be the ID of a backup
or a :class:`~openstack.block_storage.v2.backup.Backup`
instance.
:returns: Backup instance
:rtype: :class:`~openstack.block_storage.v2.backup.Backup`
"""
return self._get(_backup.Backup, backup)
def find_backup(self, name_or_id, ignore_missing=True, *, details=True):
"""Find a single backup
:param snapshot: The name or ID a backup
:param bool ignore_missing: When set to ``False``
:class:`~openstack.exceptions.ResourceNotFound` will be raised
when the backup does not exist.
:param bool details: When set to ``False`` no additional details will
be returned. The default, ``True``, will cause objects with
additional attributes to be returned.
:returns: One :class:`~openstack.block_storage.v2.backup.Backup`
:raises: :class:`~openstack.exceptions.ResourceNotFound`
when no resource can be found.
:raises: :class:`~openstack.exceptions.DuplicateResource` when multiple
resources are found.
"""
list_base_path = '/backups/detail' if details else None
return self._find(
_backup.Backup,
name_or_id,
ignore_missing=ignore_missing,
list_base_path=list_base_path,
)
def create_backup(self, **attrs):
"""Create a new Backup from attributes with native API
:param dict attrs: Keyword arguments which will be used to create
a :class:`~openstack.block_storage.v2.backup.Backup`
comprised of the properties on the Backup class.
:returns: The results of Backup creation
:rtype: :class:`~openstack.block_storage.v2.backup.Backup`
"""
return self._create(_backup.Backup, **attrs)
def delete_backup(self, backup, ignore_missing=True, force=False):
"""Delete a CloudBackup
:param backup: The value can be the ID of a backup or a
:class:`~openstack.block_storage.v2.backup.Backup` instance
:param bool ignore_missing: When set to ``False``
:class:`~openstack.exceptions.ResourceNotFound` will be raised when
the zone does not exist.
When set to ``True``, no exception will be set when attempting to
delete a nonexistent zone.
:param bool force: Whether to try forcing backup deletion
:returns: ``None``
"""
if not force:
self._delete(_backup.Backup, backup, ignore_missing=ignore_missing)
else:
backup = self._get_resource(_backup.Backup, backup)
backup.force_delete(self)
# ====== BACKUP ACTIONS ======
def restore_backup(self, backup, volume_id, name):
"""Restore a Backup to volume
:param backup: The value can be the ID of a backup or a
:class:`~openstack.block_storage.v2.backup.Backup` instance
:param volume_id: The ID of the volume to restore the backup to.
:param name: The name for new volume creation to restore.
:returns: Updated backup instance
:rtype: :class:`~openstack.block_storage.v2.backup.Backup`
"""
backup = self._get_resource(_backup.Backup, backup)
return backup.restore(self, volume_id=volume_id, name=name)
def reset_backup(self, backup, status):
"""Reset status of the backup
:param backup: The value can be either the ID of a backup or a
:class:`~openstack.block_storage.v2.backup.Backup` instance.
:param str status: New backup status
:returns: None
"""
backup = self._get_resource(_backup.Backup, backup)
backup.reset(self, status)
# ====== LIMITS ======
def get_limits(self, project=None):
"""Retrieves limits
:param project: A project to get limits for. The value can be either
the ID of a project or an
:class:`~openstack.identity.v2.project.Project` instance.
:returns: A Limit object, including both
:class:`~openstack.block_storage.v2.limits.AbsoluteLimit` and
:class:`~openstack.block_storage.v2.limits.RateLimit`
:rtype: :class:`~openstack.block_storage.v2.limits.Limit`
"""
params = {}
if project:
params['project_id'] = resource.Resource._get_id(project)
return self._get(_limits.Limit, requires_id=False, **params)
# ====== CAPABILITIES ======
def get_capabilities(self, host):
"""Get a backend's capabilites
:param host: Specified backend to obtain volume stats and properties.
:returns: One :class:
`~openstack.block_storage.v2.capabilites.Capabilities` instance.
:raises: :class:`~openstack.exceptions.ResourceNotFound` when no
resource can be found.
"""
return self._get(_capabilities.Capabilities, host)
# ====== QUOTA SETS ======
def get_quota_set(self, project, usage=False, **query):
"""Show QuotaSet information for the project
:param project: ID or instance of
:class:`~openstack.identity.project.Project` of the project for
which the quota should be retrieved
:param bool usage: When set to ``True`` quota usage and reservations
would be filled.
:param dict query: Additional query parameters to use.
:returns: One :class:`~openstack.block_storage.v2.quota_set.QuotaSet`
:raises: :class:`~openstack.exceptions.ResourceNotFound`
when no resource can be found.
"""
project = self._get_resource(_project.Project, project)
res = self._get_resource(
_quota_set.QuotaSet, None, project_id=project.id
)
return res.fetch(self, usage=usage, **query)
def get_quota_set_defaults(self, project):
"""Show QuotaSet defaults for the project
:param project: ID or instance of
:class:`~openstack.identity.project.Project` of the project for
which the quota should be retrieved
:returns: One :class:`~openstack.block_storage.v2.quota_set.QuotaSet`
:raises: :class:`~openstack.exceptions.ResourceNotFound`
when no resource can be found.
"""
project = self._get_resource(_project.Project, project)
res = self._get_resource(
_quota_set.QuotaSet, None, project_id=project.id
)
return res.fetch(self, base_path='/os-quota-sets/defaults')
def revert_quota_set(self, project, **query):
"""Reset Quota for the project/user.
:param project: ID or instance of
:class:`~openstack.identity.project.Project` of the project for
which the quota should be resetted.
:param dict query: Additional parameters to be used.
:returns: ``None``
"""
project = self._get_resource(_project.Project, project)
res = self._get_resource(
_quota_set.QuotaSet, None, project_id=project.id
)
if not query:
query = {}
return res.delete(self, **query)
def update_quota_set(self, quota_set, query=None, **attrs):
"""Update a QuotaSet.
:param quota_set: Either the ID of a quota_set or a
:class:`~openstack.block_storage.v2.quota_set.QuotaSet` instance.
:param dict query: Optional parameters to be used with update call.
:param attrs: The attributes to update on the QuotaSet represented
by ``quota_set``.
:returns: The updated QuotaSet
:rtype: :class:`~openstack.block_storage.v2.quota_set.QuotaSet`
"""
res = self._get_resource(_quota_set.QuotaSet, quota_set, **attrs)
if not query:
query = {}
return res.commit(self, **query)
# ====== VOLUME METADATA ======
def get_volume_metadata(self, volume):
"""Return a dictionary of metadata for a volume
:param volume: Either the ID of a volume or a
:class:`~openstack.block_storage.v2.volume.Volume`.
:returns: A :class:`~openstack.block_storage.v2.volume.Volume` with the
volume's metadata. All keys and values are Unicode text.
:rtype: :class:`~openstack.block_storage.v2.volume.Volume`
"""
volume = self._get_resource(_volume.Volume, volume)
return volume.fetch_metadata(self)
def set_volume_metadata(self, volume, **metadata):
"""Update metadata for a volume
:param volume: Either the ID of a volume or a
:class:`~openstack.block_storage.v2.volume.Volume`.
:param kwargs metadata: Key/value pairs to be updated in the volume's
metadata. No other metadata is modified by this call. All keys
and values are stored as Unicode.
:returns: A :class:`~openstack.block_storage.v2.volume.Volume` with the
volume's metadata. All keys and values are Unicode text.
:rtype: :class:`~openstack.block_storage.v2.volume.Volume`
"""
volume = self._get_resource(_volume.Volume, volume)
return volume.set_metadata(self, metadata=metadata)
def delete_volume_metadata(self, volume, keys=None):
"""Delete metadata for a volume
:param volume: Either the ID of a volume or a
:class:`~openstack.block_storage.v2.volume.Volume`.
:param list keys: The keys to delete. If left empty complete
metadata will be removed.
:rtype: ``None``
"""
volume = self._get_resource(_volume.Volume, volume)
if keys is not None:
for key in keys:
volume.delete_metadata_item(self, key)
else:
volume.delete_metadata(self)
# ====== SNAPSHOT METADATA ======
def get_snapshot_metadata(self, snapshot):
"""Return a dictionary of metadata for a snapshot
:param snapshot: Either the ID of a snapshot or a
:class:`~openstack.block_storage.v2.snapshot.Snapshot`.
:returns: A
:class:`~openstack.block_storage.v2.snapshot.Snapshot` with the
snapshot's metadata. All keys and values are Unicode text.
:rtype: :class:`~openstack.block_storage.v2.snapshot.Snapshot`
"""
snapshot = self._get_resource(_snapshot.Snapshot, snapshot)
return snapshot.fetch_metadata(self)
def set_snapshot_metadata(self, snapshot, **metadata):
"""Update metadata for a snapshot
:param snapshot: Either the ID of a snapshot or a
:class:`~openstack.block_storage.v2.snapshot.Snapshot`.
:param kwargs metadata: Key/value pairs to be updated in the snapshot's
metadata. No other metadata is modified by this call. All keys
and values are stored as Unicode.
:returns: A
:class:`~openstack.block_storage.v2.snapshot.Snapshot` with the
snapshot's metadata. All keys and values are Unicode text.
:rtype: :class:`~openstack.block_storage.v2.snapshot.Snapshot`
"""
snapshot = self._get_resource(_snapshot.Snapshot, snapshot)
return snapshot.set_metadata(self, metadata=metadata)
def delete_snapshot_metadata(self, snapshot, keys=None):
"""Delete metadata for a snapshot
:param snapshot: Either the ID of a snapshot or a
:class:`~openstack.block_storage.v2.snapshot.Snapshot`.
:param list keys: The keys to delete. If left empty complete
metadata will be removed.
:rtype: ``None``
"""
snapshot = self._get_resource(_snapshot.Snapshot, snapshot)
if keys is not None:
for key in keys:
snapshot.delete_metadata_item(self, key)
else:
snapshot.delete_metadata(self)
# ====== EXTENSIONS ======
def extensions(self):
"""Return a generator of extensions
:returns: A generator of extension
:rtype: :class:`~openstack.block_storage.v2.extension.Extension`
"""
return self._list(_extension.Extension)
# ====== UTILS ======
def wait_for_status(
self,
res,
status='available',
failures=None,
interval=2,
wait=120,
callback=None,
):
"""Wait for a resource to be in a particular status.
:param res: The resource to wait on to reach the specified status.
The resource must have a ``status`` attribute.
:type resource: A :class:`~openstack.resource.Resource` object.
:param status: Desired status.
:param failures: Statuses that would be interpreted as failures.
:type failures: :py:class:`list`
:param interval: Number of seconds to wait before to consecutive
checks. Default to 2.
:param wait: Maximum number of seconds to wait before the change.
Default to 120.
:param callback: A callback function. This will be called with a single
value, progress.
:returns: The resource is returned on success.
:raises: :class:`~openstack.exceptions.ResourceTimeout` if transition
to the desired status failed to occur in specified seconds.
:raises: :class:`~openstack.exceptions.ResourceFailure` if the resource
has transited to one of the failure statuses.
:raises: :class:`~AttributeError` if the resource does not have a
``status`` attribute.
"""
failures = ['error'] if failures is None else failures
return resource.wait_for_status(
self,
res,
status,
failures,
interval,
wait,
callback=callback,
)
def wait_for_delete(self, res, interval=2, wait=120, callback=None):
"""Wait for a resource to be deleted.
:param res: The resource to wait on to be deleted.
:type resource: A :class:`~openstack.resource.Resource` object.
:param interval: Number of seconds to wait before to consecutive
checks. Default to 2.
:param wait: Maximum number of seconds to wait before the change.
Default to 120.
:param callback: A callback function. This will be called with a single
value, progress.
:returns: The resource is returned on success.
:raises: :class:`~openstack.exceptions.ResourceTimeout` if transition
to delete failed to occur in the specified seconds.
"""
return resource.wait_for_delete(
self,
res,
interval,
wait,
callback=callback,
)